diff --git a/kunlun.py b/kunlun.py
index 79e2c15..1064e52 100644
--- a/kunlun.py
+++ b/kunlun.py
@@ -120,9 +120,17 @@ def download_callback(total_packets, success_count, error_count):
 # 打印串口收到的字符
 def print_device_str(data:bytearray):
     data=data.replace(b"\r\n",b"\n")
+    index=0
+    while index<len(data):
+        if(bytes([data[index]]).isascii()):
+            index+=1
+        else:
+            break
     try:
-        d=data.decode('utf-8')
+        d=data[:index].decode('utf-8')
         mywrite(d)
+        if(index<len(data)):
+            mywrite(f"{data[index:]}")
     except Exception as e:
         mywrite(f"{data}\n")